How do you define a species? The question has been controversial since the days of Darwin. On this episode of The Quanta Podcast, host Samir Patel speaks with writer Marlowe Starling about how recent advances in genomics have both clarified and complicated the picture. This topic was covered in a recent story for Quanta Magazine.  

Each week on The Quanta Podcast, Quanta Magazine editor in chief Samir Patel speaks with the people behind the award-winning publication to navigate through some of the most important and mind-expanding questions in science and math.

Thunderstorms have captivated humanity for millennia, and yet their inner workings remain deeply mysterious. On this episode of The Quanta Podcast, guest host and Quanta senior editor Hannah Waters speaks with staff writer Charlie Wood about the new technologies that are helping physicists better understand the phenomena. This topic was covered in a recent story for Quanta Magazine.  

Each week on The Quanta Podcast, hear the people behind the award-winning publication navigate through some of the most important and mind-expanding questions in science and math.

At the end of the episode, listen to an excerpt of the fourth movement of Beethoven's Sixth Symphony, which depicts a violent thunderstorm. Piccolo represents lightning and timpani represents thunder. Courtesy of Symphony Orchestra.

Deed - Attribution-NonCommercial-ShareAlike 3.0 Unported - Creative Commons

According to Einstein’s theory of gravity, black holes have only a small handful of distinguishing characteristics. Quantum theory implies they may have more. Now an experimental search finds that any of this extra ‘hair’ has to be pretty short.

The story Astrophysicists Find No ‘Hair’ on Black Holes first appeared on Quanta Magazine.

In 2026, shock at AI’s growing mathematical abilities turned into something more like wonder — and concern. On this episode of The Quanta Podcast, host Samir Patel speaks with writer Konstantin Kakaes about how AI is changing not only how mathematicians do math, but also why they do it. This topic was covered in a recent story for Quanta Magazine.  

Each week on The Quanta Podcast, Quanta Magazine editor in chief Samir Patel speaks with the people behind the award-winning publication to navigate through some of the most important and mind-expanding questions in science and math.

Over the past decade, computer simulations have predicted tens of thousands of possible forms of ice. Though uncommon on our planet, exotic ice may exist in off-Earth environments, from cold and amorphous comet tails to the hot and crushing cores of icy planets. On this episode of The Quanta Podcast, host Samir Patel speaks with math writer Shalma Wegsman about why water is exceptionally versatile under pressure. This topic was covered in a recent story for Quanta Magazine.  

Each week on The Quanta Podcast, Quanta Magazine editor in chief Samir Patel speaks with the people behind the award-winning publication to navigate through some of the most important and mind-expanding questions in science and math.

Fundamental technique lets researchers use a big, expensive “teacher” model to train a “student” model for less.

The story How Distillation Makes AI Models Smaller and Cheaper first appeared on Quanta Magazine.

Billions of years ago, battles between bacteria and viruses wrote the rulebook for how hosts and pathogens behave. Today, our immune system follows suit. On this episode of The Quanta Podcast, host Samir Patel speaks with writer Viviane Callier about how recent discoveries could shape how we think about the evolution of immunity. This topic was covered in a recent story for Quanta Magazine.

Each week on The Quanta Podcast, Quanta Magazine editor in chief Samir Patel speaks with the people behind the award-winning publication to navigate through some of the most important and mind-expanding questions in science and math.

Most mathematicians take the notion of infinity for granted — it’s deeply rooted in math’s most fundamental assumptions. But a small group of researchers hopes to banish infinity completely. On this episode of The Quanta Podcast, host Samir Patel speaks with math editor Jordana Cepelewicz about the philosophy of ultrafinitism. This topic was covered in a recent story for Quanta Magazine.

Each week on The Quanta Podcast, Quanta Magazine editor in chief Samir Patel speaks with the people behind the award-winning publication to navigate through some of the most important and mind-expanding questions in science and math.

Audio coda music & lyrics by Michael Tilson Thomas. 
Vocals performed by Ben Jones.
Piano performed by John Wilson.

In a hot spring at Yellowstone National Park, a microbe does something that life shouldn’t be able to do: It breathes oxygen and sulfur at the same time.

The story The Cells That Breathe Two Ways first appeared on Quanta Magazine.

Together, Charles Bennett and Gilles Brassard figured out how to use the laws of quantum physics to keep secret messages safe from eavesdroppers. Their efforts have earned them one of the highest awards in computing and a $1 million prize. On this episode of The Quanta Podcast, host Samir Patel speaks with staff writer Ben Brubaker about this year’s Turing Prize winners, and some of the most important concepts in quantum information science. This topic was covered in a recent column for Quanta Magazine.  

Each week on The Quanta Podcast, Quanta Magazine editor in chief Samir Patel speaks with the people behind the award-winning publication to navigate through some of the most important and mind-expanding questions in science and math.

Audio coda by Charles Bennett/IBM

Is string theory the one true “theory of everything?” Some physicists swear it’s a fundamental ingredient of nature. Others wish it would just go away. On this episode of The Quanta Podcast, host Samir Patel speaks with columnist Natalie Wolchover about the mathematical developments that are keeping the theory relevant — much to the chagrin of its rather vocal critics. This topic was covered in a recent column for Quanta Magazine.  

Each week on The Quanta Podcast, Quanta Magazine editor in chief Samir Patel speaks with the people behind the award-winning publication to navigate through some of the most important and mind-expanding questions in science and math.

This episode's audio coda is a clip from a 2024 live show of Alchemical String Theory (AST), a collective of avant-garde string artists from Atlanta's Improvisational Underground, performing a round at the Red Light Cafe in Atlanta.